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Finding the Third Proportional to 134,814,656.81 and 290,455,227

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Solution

The third proportional to 134,814,656.81 and 290,455,227 is: 625,779,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,814,656.81 : 290,455,227 = 290,455,227 : x
  2. Step 2: Convert to fraction form
    134,814,656.81/290,455,227 = 290,455,227/x
  3. Step 3: Cross multiply
    134,814,656.81x = 290,455,227 × 290,455,227
  4. Step 4: Simplify right side
    134,814,656.81x = 84,364,238,891,621,536
  5. Step 5: Solve for x
    x = 84,364,238,891,621,536/134,814,656.81
  6. Step 6: Final answer
    x = 625,779,428.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.