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Finding the Third Proportional to 18,587,730 and 40,263,504

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Solution

The third proportional to 18,587,730 and 40,263,504 is: 87,216,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,730 : 40,263,504 = 40,263,504 : x
  2. Step 2: Convert to fraction form
    18,587,730/40,263,504 = 40,263,504/x
  3. Step 3: Cross multiply
    18,587,730x = 40,263,504 × 40,263,504
  4. Step 4: Simplify right side
    18,587,730x = 1,621,149,754,358,016
  5. Step 5: Solve for x
    x = 1,621,149,754,358,016/18,587,730
  6. Step 6: Final answer
    x = 87,216,123.45

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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.