Home / 7,831,102,017.38-12,420,612,747

Finding the Third Proportional to 7,831,102,017.38 and 12,420,612,747

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Solution

The third proportional to 7,831,102,017.38 and 12,420,612,747 is: 19,699,860,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,102,017.38 : 12,420,612,747 = 12,420,612,747 : x
  2. Step 2: Convert to fraction form
    7,831,102,017.38/12,420,612,747 = 12,420,612,747/x
  3. Step 3: Cross multiply
    7,831,102,017.38x = 12,420,612,747 × 12,420,612,747
  4. Step 4: Simplify right side
    7,831,102,017.38x = 154,271,621,010,938,888,192
  5. Step 5: Solve for x
    x = 154,271,621,010,938,888,192/7,831,102,017.38
  6. Step 6: Final answer
    x = 19,699,860,973.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.