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Finding the Third Proportional to 92,892,928.78 and 139,330,378.13

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Solution

The third proportional to 92,892,928.78 and 139,330,378.13 is: 208,982,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892,928.78 : 139,330,378.13 = 139,330,378.13 : x
  2. Step 2: Convert to fraction form
    92,892,928.78/139,330,378.13 = 139,330,378.13/x
  3. Step 3: Cross multiply
    92,892,928.78x = 139,330,378.13 × 139,330,378.13
  4. Step 4: Simplify right side
    92,892,928.78x = 19,412,954,268,455,480
  5. Step 5: Solve for x
    x = 19,412,954,268,455,480/92,892,928.78
  6. Step 6: Final answer
    x = 208,982,045.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.