Home / 18,207,146.39-39,011,291.72

Finding the Third Proportional to 18,207,146.39 and 39,011,291.72

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Solution

The third proportional to 18,207,146.39 and 39,011,291.72 is: 83,587,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,146.39 : 39,011,291.72 = 39,011,291.72 : x
  2. Step 2: Convert to fraction form
    18,207,146.39/39,011,291.72 = 39,011,291.72/x
  3. Step 3: Cross multiply
    18,207,146.39x = 39,011,291.72 × 39,011,291.72
  4. Step 4: Simplify right side
    18,207,146.39x = 1,521,880,881,565,412.25
  5. Step 5: Solve for x
    x = 1,521,880,881,565,412.25/18,207,146.39
  6. Step 6: Final answer
    x = 83,587,007.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.