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Finding the Third Proportional to 1,315,221,057 and 2,890,782,594

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Solution

The third proportional to 1,315,221,057 and 2,890,782,594 is: 6,353,779,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,221,057 : 2,890,782,594 = 2,890,782,594 : x
  2. Step 2: Convert to fraction form
    1,315,221,057/2,890,782,594 = 2,890,782,594/x
  3. Step 3: Cross multiply
    1,315,221,057x = 2,890,782,594 × 2,890,782,594
  4. Step 4: Simplify right side
    1,315,221,057x = 8,356,624,005,773,369,344
  5. Step 5: Solve for x
    x = 8,356,624,005,773,369,344/1,315,221,057
  6. Step 6: Final answer
    x = 6,353,779,055.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.