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Finding the Third Proportional to 28,858,399.88 and 63,488,421

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Solution

The third proportional to 28,858,399.88 and 63,488,421 is: 139,674,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,399.88 : 63,488,421 = 63,488,421 : x
  2. Step 2: Convert to fraction form
    28,858,399.88/63,488,421 = 63,488,421/x
  3. Step 3: Cross multiply
    28,858,399.88x = 63,488,421 × 63,488,421
  4. Step 4: Simplify right side
    28,858,399.88x = 4,030,779,601,073,241
  5. Step 5: Solve for x
    x = 4,030,779,601,073,241/28,858,399.88
  6. Step 6: Final answer
    x = 139,674,397.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.