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Finding the Third Proportional to 18,679,734 and 40,547,943

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Solution

The third proportional to 18,679,734 and 40,547,943 is: 88,017,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,734 : 40,547,943 = 40,547,943 : x
  2. Step 2: Convert to fraction form
    18,679,734/40,547,943 = 40,547,943/x
  3. Step 3: Cross multiply
    18,679,734x = 40,547,943 × 40,547,943
  4. Step 4: Simplify right side
    18,679,734x = 1,644,135,681,531,249
  5. Step 5: Solve for x
    x = 1,644,135,681,531,249/18,679,734
  6. Step 6: Final answer
    x = 88,017,082.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.