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Finding the Third Proportional to 14,012,428 and 21,118,872

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Solution

The third proportional to 14,012,428 and 21,118,872 is: 31,829,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,428 : 21,118,872 = 21,118,872 : x
  2. Step 2: Convert to fraction form
    14,012,428/21,118,872 = 21,118,872/x
  3. Step 3: Cross multiply
    14,012,428x = 21,118,872 × 21,118,872
  4. Step 4: Simplify right side
    14,012,428x = 446,006,754,552,384
  5. Step 5: Solve for x
    x = 446,006,754,552,384/14,012,428
  6. Step 6: Final answer
    x = 31,829,369.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.