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Finding the Third Proportional to 10,664,436 and 15,239,502

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Solution

The third proportional to 10,664,436 and 15,239,502 is: 21,777,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664,436 : 15,239,502 = 15,239,502 : x
  2. Step 2: Convert to fraction form
    10,664,436/15,239,502 = 15,239,502/x
  3. Step 3: Cross multiply
    10,664,436x = 15,239,502 × 15,239,502
  4. Step 4: Simplify right side
    10,664,436x = 232,242,421,208,004
  5. Step 5: Solve for x
    x = 232,242,421,208,004/10,664,436
  6. Step 6: Final answer
    x = 21,777,281.16

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.