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Finding the Third Proportional to 128,959,195.50 and 272,474,091

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Solution

The third proportional to 128,959,195.50 and 272,474,091 is: 575,702,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,959,195.50 : 272,474,091 = 272,474,091 : x
  2. Step 2: Convert to fraction form
    128,959,195.50/272,474,091 = 272,474,091/x
  3. Step 3: Cross multiply
    128,959,195.50x = 272,474,091 × 272,474,091
  4. Step 4: Simplify right side
    128,959,195.50x = 74,242,130,266,276,288
  5. Step 5: Solve for x
    x = 74,242,130,266,276,288/128,959,195.50
  6. Step 6: Final answer
    x = 575,702,492.39

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.