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Finding the Third Proportional to 100,812,920 and 155,696,494.50

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Solution

The third proportional to 100,812,920 and 155,696,494.50 is: 240,459,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,812,920 : 155,696,494.50 = 155,696,494.50 : x
  2. Step 2: Convert to fraction form
    100,812,920/155,696,494.50 = 155,696,494.50/x
  3. Step 3: Cross multiply
    100,812,920x = 155,696,494.50 × 155,696,494.50
  4. Step 4: Simplify right side
    100,812,920x = 24,241,398,399,588,532
  5. Step 5: Solve for x
    x = 24,241,398,399,588,532/100,812,920
  6. Step 6: Final answer
    x = 240,459,242.72

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.