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Finding the Third Proportional to 68,054,386 and 149,335,700

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Solution

The third proportional to 68,054,386 and 149,335,700 is: 327,696,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,054,386 : 149,335,700 = 149,335,700 : x
  2. Step 2: Convert to fraction form
    68,054,386/149,335,700 = 149,335,700/x
  3. Step 3: Cross multiply
    68,054,386x = 149,335,700 × 149,335,700
  4. Step 4: Simplify right side
    68,054,386x = 22,301,151,294,490,000
  5. Step 5: Solve for x
    x = 22,301,151,294,490,000/68,054,386
  6. Step 6: Final answer
    x = 327,696,017.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.