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Finding the Third Proportional to 124,562,930 and 291,035,220

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Solution

The third proportional to 124,562,930 and 291,035,220 is: 679,989,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562,930 : 291,035,220 = 291,035,220 : x
  2. Step 2: Convert to fraction form
    124,562,930/291,035,220 = 291,035,220/x
  3. Step 3: Cross multiply
    124,562,930x = 291,035,220 × 291,035,220
  4. Step 4: Simplify right side
    124,562,930x = 84,701,499,280,448,400
  5. Step 5: Solve for x
    x = 84,701,499,280,448,400/124,562,930
  6. Step 6: Final answer
    x = 679,989,618.74

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.