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Finding the Third Proportional to 66,352,392 and 145,459,428.75

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Solution

The third proportional to 66,352,392 and 145,459,428.75 is: 318,879,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,352,392 : 145,459,428.75 = 145,459,428.75 : x
  2. Step 2: Convert to fraction form
    66,352,392/145,459,428.75 = 145,459,428.75/x
  3. Step 3: Cross multiply
    66,352,392x = 145,459,428.75 × 145,459,428.75
  4. Step 4: Simplify right side
    66,352,392x = 21,158,445,412,276,328
  5. Step 5: Solve for x
    x = 21,158,445,412,276,328/66,352,392
  6. Step 6: Final answer
    x = 318,879,919.39

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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.