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Finding the Third Proportional to 20,293,728 and 29,712,528

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Solution

The third proportional to 20,293,728 and 29,712,528 is: 43,502,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293,728 : 29,712,528 = 29,712,528 : x
  2. Step 2: Convert to fraction form
    20,293,728/29,712,528 = 29,712,528/x
  3. Step 3: Cross multiply
    20,293,728x = 29,712,528 × 29,712,528
  4. Step 4: Simplify right side
    20,293,728x = 882,834,320,150,784
  5. Step 5: Solve for x
    x = 882,834,320,150,784/20,293,728
  6. Step 6: Final answer
    x = 43,502,816.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.