Home / 81,194,719.50-117,312,374.25

Finding the Third Proportional to 81,194,719.50 and 117,312,374.25

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Solution

The third proportional to 81,194,719.50 and 117,312,374.25 is: 169,496,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,194,719.50 : 117,312,374.25 = 117,312,374.25 : x
  2. Step 2: Convert to fraction form
    81,194,719.50/117,312,374.25 = 117,312,374.25/x
  3. Step 3: Cross multiply
    81,194,719.50x = 117,312,374.25 × 117,312,374.25
  4. Step 4: Simplify right side
    81,194,719.50x = 13,762,193,152,172,064
  5. Step 5: Solve for x
    x = 13,762,193,152,172,064/81,194,719.50
  6. Step 6: Final answer
    x = 169,496,159.81

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.