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Finding the Third Proportional to 64,113,786 and 99,310,725

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Solution

The third proportional to 64,113,786 and 99,310,725 is: 153,829,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,113,786 : 99,310,725 = 99,310,725 : x
  2. Step 2: Convert to fraction form
    64,113,786/99,310,725 = 99,310,725/x
  3. Step 3: Cross multiply
    64,113,786x = 99,310,725 × 99,310,725
  4. Step 4: Simplify right side
    64,113,786x = 9,862,620,100,025,624
  5. Step 5: Solve for x
    x = 9,862,620,100,025,624/64,113,786
  6. Step 6: Final answer
    x = 153,829,943.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.