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Finding the Third Proportional to 30,030,920 and 65,566,519

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Solution

The third proportional to 30,030,920 and 65,566,519 is: 143,151,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030,920 : 65,566,519 = 65,566,519 : x
  2. Step 2: Convert to fraction form
    30,030,920/65,566,519 = 65,566,519/x
  3. Step 3: Cross multiply
    30,030,920x = 65,566,519 × 65,566,519
  4. Step 4: Simplify right side
    30,030,920x = 4,298,968,413,777,361
  5. Step 5: Solve for x
    x = 4,298,968,413,777,361/30,030,920
  6. Step 6: Final answer
    x = 143,151,405.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.