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Finding the Third Proportional to 193,807,690.88 and 297,896,317.31

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Solution

The third proportional to 193,807,690.88 and 297,896,317.31 is: 457,887,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,807,690.88 : 297,896,317.31 = 297,896,317.31 : x
  2. Step 2: Convert to fraction form
    193,807,690.88/297,896,317.31 = 297,896,317.31/x
  3. Step 3: Cross multiply
    193,807,690.88x = 297,896,317.31 × 297,896,317.31
  4. Step 4: Simplify right side
    193,807,690.88x = 88,742,215,868,349,680
  5. Step 5: Solve for x
    x = 88,742,215,868,349,680/193,807,690.88
  6. Step 6: Final answer
    x = 457,887,999.53

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.