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Finding the Third Proportional to 69,620,724 and 150,812,328

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Solution

The third proportional to 69,620,724 and 150,812,328 is: 326,689,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620,724 : 150,812,328 = 150,812,328 : x
  2. Step 2: Convert to fraction form
    69,620,724/150,812,328 = 150,812,328/x
  3. Step 3: Cross multiply
    69,620,724x = 150,812,328 × 150,812,328
  4. Step 4: Simplify right side
    69,620,724x = 22,744,358,276,779,584
  5. Step 5: Solve for x
    x = 22,744,358,276,779,584/69,620,724
  6. Step 6: Final answer
    x = 326,689,482.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.