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Finding the Third Proportional to 438,627,811.50 and 963,338,494.50

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Solution

The third proportional to 438,627,811.50 and 963,338,494.50 is: 2,115,736,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,627,811.50 : 963,338,494.50 = 963,338,494.50 : x
  2. Step 2: Convert to fraction form
    438,627,811.50/963,338,494.50 = 963,338,494.50/x
  3. Step 3: Cross multiply
    438,627,811.50x = 963,338,494.50 × 963,338,494.50
  4. Step 4: Simplify right side
    438,627,811.50x = 928,021,054,985,526,528
  5. Step 5: Solve for x
    x = 928,021,054,985,526,528/438,627,811.50
  6. Step 6: Final answer
    x = 2,115,736,920.13

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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.