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Finding the Third Proportional to 77,605,230.50 and 168,988,560.50

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Solution

The third proportional to 77,605,230.50 and 168,988,560.50 is: 367,979,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,605,230.50 : 168,988,560.50 = 168,988,560.50 : x
  2. Step 2: Convert to fraction form
    77,605,230.50/168,988,560.50 = 168,988,560.50/x
  3. Step 3: Cross multiply
    77,605,230.50x = 168,988,560.50 × 168,988,560.50
  4. Step 4: Simplify right side
    77,605,230.50x = 28,557,133,579,862,160
  5. Step 5: Solve for x
    x = 28,557,133,579,862,160/77,605,230.50
  6. Step 6: Final answer
    x = 367,979,495.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.