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Finding the Third Proportional to 102,011,488.50 and 221,342,555.75

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Solution

The third proportional to 102,011,488.50 and 221,342,555.75 is: 480,264,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,011,488.50 : 221,342,555.75 = 221,342,555.75 : x
  2. Step 2: Convert to fraction form
    102,011,488.50/221,342,555.75 = 221,342,555.75/x
  3. Step 3: Cross multiply
    102,011,488.50x = 221,342,555.75 × 221,342,555.75
  4. Step 4: Simplify right side
    102,011,488.50x = 48,992,526,985,941,856
  5. Step 5: Solve for x
    x = 48,992,526,985,941,856/102,011,488.50
  6. Step 6: Final answer
    x = 480,264,798.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.