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Finding the Third Proportional to 20,860,428 and 30,687,592

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Solution

The third proportional to 20,860,428 and 30,687,592 is: 45,144,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,428 : 30,687,592 = 30,687,592 : x
  2. Step 2: Convert to fraction form
    20,860,428/30,687,592 = 30,687,592/x
  3. Step 3: Cross multiply
    20,860,428x = 30,687,592 × 30,687,592
  4. Step 4: Simplify right side
    20,860,428x = 941,728,302,758,464
  5. Step 5: Solve for x
    x = 941,728,302,758,464/20,860,428
  6. Step 6: Final answer
    x = 45,144,246.45

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.