Home / 346,659,547.50-472,149,789.75

Finding the Third Proportional to 346,659,547.50 and 472,149,789.75

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Solution

The third proportional to 346,659,547.50 and 472,149,789.75 is: 643,067,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,659,547.50 : 472,149,789.75 = 472,149,789.75 : x
  2. Step 2: Convert to fraction form
    346,659,547.50/472,149,789.75 = 472,149,789.75/x
  3. Step 3: Cross multiply
    346,659,547.50x = 472,149,789.75 × 472,149,789.75
  4. Step 4: Simplify right side
    346,659,547.50x = 222,925,423,960,969,216
  5. Step 5: Solve for x
    x = 222,925,423,960,969,216/346,659,547.50
  6. Step 6: Final answer
    x = 643,067,313.65

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.