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Finding the Third Proportional to 134,702,031 and 290,959,134

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Solution

The third proportional to 134,702,031 and 290,959,134 is: 628,477,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,702,031 : 290,959,134 = 290,959,134 : x
  2. Step 2: Convert to fraction form
    134,702,031/290,959,134 = 290,959,134/x
  3. Step 3: Cross multiply
    134,702,031x = 290,959,134 × 290,959,134
  4. Step 4: Simplify right side
    134,702,031x = 84,657,217,658,029,952
  5. Step 5: Solve for x
    x = 84,657,217,658,029,952/134,702,031
  6. Step 6: Final answer
    x = 628,477,663.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.