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Finding the Third Proportional to 97,578,978 and 130,087,629

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Solution

The third proportional to 97,578,978 and 130,087,629 is: 173,426,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,578,978 : 130,087,629 = 130,087,629 : x
  2. Step 2: Convert to fraction form
    97,578,978/130,087,629 = 130,087,629/x
  3. Step 3: Cross multiply
    97,578,978x = 130,087,629 × 130,087,629
  4. Step 4: Simplify right side
    97,578,978x = 16,922,791,218,841,640
  5. Step 5: Solve for x
    x = 16,922,791,218,841,640/97,578,978
  6. Step 6: Final answer
    x = 173,426,608.53

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.