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Finding the Third Proportional to 69,615,001 and 147,528,650

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Solution

The third proportional to 69,615,001 and 147,528,650 is: 312,643,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615,001 : 147,528,650 = 147,528,650 : x
  2. Step 2: Convert to fraction form
    69,615,001/147,528,650 = 147,528,650/x
  3. Step 3: Cross multiply
    69,615,001x = 147,528,650 × 147,528,650
  4. Step 4: Simplify right side
    69,615,001x = 21,764,702,570,822,500
  5. Step 5: Solve for x
    x = 21,764,702,570,822,500/69,615,001
  6. Step 6: Final answer
    x = 312,643,859.20

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.