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Finding the Third Proportional to 43,655,440 and 72,754,679

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Solution

The third proportional to 43,655,440 and 72,754,679 is: 121,250,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655,440 : 72,754,679 = 72,754,679 : x
  2. Step 2: Convert to fraction form
    43,655,440/72,754,679 = 72,754,679/x
  3. Step 3: Cross multiply
    43,655,440x = 72,754,679 × 72,754,679
  4. Step 4: Simplify right side
    43,655,440x = 5,293,243,316,393,041
  5. Step 5: Solve for x
    x = 5,293,243,316,393,041/43,655,440
  6. Step 6: Final answer
    x = 121,250,486.00

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.