Home / 155,883,029.66-217,933,648.72

Finding the Third Proportional to 155,883,029.66 and 217,933,648.72

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Solution

The third proportional to 155,883,029.66 and 217,933,648.72 is: 304,684,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,883,029.66 : 217,933,648.72 = 217,933,648.72 : x
  2. Step 2: Convert to fraction form
    155,883,029.66/217,933,648.72 = 217,933,648.72/x
  3. Step 3: Cross multiply
    155,883,029.66x = 217,933,648.72 × 217,933,648.72
  4. Step 4: Simplify right side
    155,883,029.66x = 47,495,075,243,017,584
  5. Step 5: Solve for x
    x = 47,495,075,243,017,584/155,883,029.66
  6. Step 6: Final answer
    x = 304,684,065.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.