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Finding the Third Proportional to 18,456,445 and 40,386,547

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Solution

The third proportional to 18,456,445 and 40,386,547 is: 88,374,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,445 : 40,386,547 = 40,386,547 : x
  2. Step 2: Convert to fraction form
    18,456,445/40,386,547 = 40,386,547/x
  3. Step 3: Cross multiply
    18,456,445x = 40,386,547 × 40,386,547
  4. Step 4: Simplify right side
    18,456,445x = 1,631,073,178,583,209
  5. Step 5: Solve for x
    x = 1,631,073,178,583,209/18,456,445
  6. Step 6: Final answer
    x = 88,374,179.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.