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Finding the Third Proportional to 438,632,860.50 and 963,346,585.50

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Solution

The third proportional to 438,632,860.50 and 963,346,585.50 is: 2,115,748,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,632,860.50 : 963,346,585.50 = 963,346,585.50 : x
  2. Step 2: Convert to fraction form
    438,632,860.50/963,346,585.50 = 963,346,585.50/x
  3. Step 3: Cross multiply
    438,632,860.50x = 963,346,585.50 × 963,346,585.50
  4. Step 4: Simplify right side
    438,632,860.50x = 928,036,643,794,508,800
  5. Step 5: Solve for x
    x = 928,036,643,794,508,800/438,632,860.50
  6. Step 6: Final answer
    x = 2,115,748,105.91

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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.