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Finding the Third Proportional to 66,887,749 and 97,750,261.50

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Solution

The third proportional to 66,887,749 and 97,750,261.50 is: 142,852,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887,749 : 97,750,261.50 = 97,750,261.50 : x
  2. Step 2: Convert to fraction form
    66,887,749/97,750,261.50 = 97,750,261.50/x
  3. Step 3: Cross multiply
    66,887,749x = 97,750,261.50 × 97,750,261.50
  4. Step 4: Simplify right side
    66,887,749x = 9,555,113,623,318,382
  5. Step 5: Solve for x
    x = 9,555,113,623,318,382/66,887,749
  6. Step 6: Final answer
    x = 142,852,970.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.