Home / 66,352,317.75-145,459,219.50

Finding the Third Proportional to 66,352,317.75 and 145,459,219.50

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Solution

The third proportional to 66,352,317.75 and 145,459,219.50 is: 318,879,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,352,317.75 : 145,459,219.50 = 145,459,219.50 : x
  2. Step 2: Convert to fraction form
    66,352,317.75/145,459,219.50 = 145,459,219.50/x
  3. Step 3: Cross multiply
    66,352,317.75x = 145,459,219.50 × 145,459,219.50
  4. Step 4: Simplify right side
    66,352,317.75x = 21,158,384,537,549,180
  5. Step 5: Solve for x
    x = 21,158,384,537,549,180/66,352,317.75
  6. Step 6: Final answer
    x = 318,879,358.78

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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.