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Finding the Third Proportional to 55,367,080 and 121,156,187

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Solution

The third proportional to 55,367,080 and 121,156,187 is: 265,118,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367,080 : 121,156,187 = 121,156,187 : x
  2. Step 2: Convert to fraction form
    55,367,080/121,156,187 = 121,156,187/x
  3. Step 3: Cross multiply
    55,367,080x = 121,156,187 × 121,156,187
  4. Step 4: Simplify right side
    55,367,080x = 14,678,821,648,378,968
  5. Step 5: Solve for x
    x = 14,678,821,648,378,968/55,367,080
  6. Step 6: Final answer
    x = 265,118,219.14

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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.