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Finding the Third Proportional to 1,973,350,540 and 4,387,911,172.50

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Solution

The third proportional to 1,973,350,540 and 4,387,911,172.50 is: 9,756,890,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,350,540 : 4,387,911,172.50 = 4,387,911,172.50 : x
  2. Step 2: Convert to fraction form
    1,973,350,540/4,387,911,172.50 = 4,387,911,172.50/x
  3. Step 3: Cross multiply
    1,973,350,540x = 4,387,911,172.50 × 4,387,911,172.50
  4. Step 4: Simplify right side
    1,973,350,540x = 19,253,764,457,750,323,200
  5. Step 5: Solve for x
    x = 19,253,764,457,750,323,200/1,973,350,540
  6. Step 6: Final answer
    x = 9,756,890,155.84

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.