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Finding the Third Proportional to 115,046,441 and 155,485,787

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Solution

The third proportional to 115,046,441 and 155,485,787 is: 210,139,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046,441 : 155,485,787 = 155,485,787 : x
  2. Step 2: Convert to fraction form
    115,046,441/155,485,787 = 155,485,787/x
  3. Step 3: Cross multiply
    115,046,441x = 155,485,787 × 155,485,787
  4. Step 4: Simplify right side
    115,046,441x = 24,175,829,959,009,368
  5. Step 5: Solve for x
    x = 24,175,829,959,009,368/115,046,441
  6. Step 6: Final answer
    x = 210,139,746.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.