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Finding the Third Proportional to 69,572,052 and 147,562,920

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Solution

The third proportional to 69,572,052 and 147,562,920 is: 312,982,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572,052 : 147,562,920 = 147,562,920 : x
  2. Step 2: Convert to fraction form
    69,572,052/147,562,920 = 147,562,920/x
  3. Step 3: Cross multiply
    69,572,052x = 147,562,920 × 147,562,920
  4. Step 4: Simplify right side
    69,572,052x = 21,774,815,358,926,400
  5. Step 5: Solve for x
    x = 21,774,815,358,926,400/69,572,052
  6. Step 6: Final answer
    x = 312,982,221.06

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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.