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Finding the Third Proportional to 42,017,700 and 91,397,328

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Solution

The third proportional to 42,017,700 and 91,397,328 is: 198,808,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017,700 : 91,397,328 = 91,397,328 : x
  2. Step 2: Convert to fraction form
    42,017,700/91,397,328 = 91,397,328/x
  3. Step 3: Cross multiply
    42,017,700x = 91,397,328 × 91,397,328
  4. Step 4: Simplify right side
    42,017,700x = 8,353,471,565,539,584
  5. Step 5: Solve for x
    x = 8,353,471,565,539,584/42,017,700
  6. Step 6: Final answer
    x = 198,808,396.59

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