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Finding the Third Proportional to 12,654,273 and 18,898,487

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Solution

The third proportional to 12,654,273 and 18,898,487 is: 28,223,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,273 : 18,898,487 = 18,898,487 : x
  2. Step 2: Convert to fraction form
    12,654,273/18,898,487 = 18,898,487/x
  3. Step 3: Cross multiply
    12,654,273x = 18,898,487 × 18,898,487
  4. Step 4: Simplify right side
    12,654,273x = 357,152,810,889,169
  5. Step 5: Solve for x
    x = 357,152,810,889,169/12,654,273
  6. Step 6: Final answer
    x = 28,223,890.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.