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Finding the Third Proportional to 11,877,490 and 18,362,076

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Solution

The third proportional to 11,877,490 and 18,362,076 is: 28,386,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,490 : 18,362,076 = 18,362,076 : x
  2. Step 2: Convert to fraction form
    11,877,490/18,362,076 = 18,362,076/x
  3. Step 3: Cross multiply
    11,877,490x = 18,362,076 × 18,362,076
  4. Step 4: Simplify right side
    11,877,490x = 337,165,835,029,776
  5. Step 5: Solve for x
    x = 337,165,835,029,776/11,877,490
  6. Step 6: Final answer
    x = 28,386,960.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.