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Finding the Third Proportional to 8,473,280 and 18,159,488

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Solution

The third proportional to 8,473,280 and 18,159,488 is: 38,918,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,280 : 18,159,488 = 18,159,488 : x
  2. Step 2: Convert to fraction form
    8,473,280/18,159,488 = 18,159,488/x
  3. Step 3: Cross multiply
    8,473,280x = 18,159,488 × 18,159,488
  4. Step 4: Simplify right side
    8,473,280x = 329,767,004,422,144
  5. Step 5: Solve for x
    x = 329,767,004,422,144/8,473,280
  6. Step 6: Final answer
    x = 38,918,459.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.