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Finding the Third Proportional to 42,778,136 and 92,374,368

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Solution

The third proportional to 42,778,136 and 92,374,368 is: 199,471,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778,136 : 92,374,368 = 92,374,368 : x
  2. Step 2: Convert to fraction form
    42,778,136/92,374,368 = 92,374,368/x
  3. Step 3: Cross multiply
    42,778,136x = 92,374,368 × 92,374,368
  4. Step 4: Simplify right side
    42,778,136x = 8,533,023,863,399,424
  5. Step 5: Solve for x
    x = 8,533,023,863,399,424/42,778,136
  6. Step 6: Final answer
    x = 199,471,614.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.