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Finding the Third Proportional to 108,488,770 and 163,742,040

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Solution

The third proportional to 108,488,770 and 163,742,040 is: 247,135,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,488,770 : 163,742,040 = 163,742,040 : x
  2. Step 2: Convert to fraction form
    108,488,770/163,742,040 = 163,742,040/x
  3. Step 3: Cross multiply
    108,488,770x = 163,742,040 × 163,742,040
  4. Step 4: Simplify right side
    108,488,770x = 26,811,455,663,361,600
  5. Step 5: Solve for x
    x = 26,811,455,663,361,600/108,488,770
  6. Step 6: Final answer
    x = 247,135,769.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.