Home / 163,172,256.75-253,030,155.75

Finding the Third Proportional to 163,172,256.75 and 253,030,155.75

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Solution

The third proportional to 163,172,256.75 and 253,030,155.75 is: 392,372,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,172,256.75 : 253,030,155.75 = 253,030,155.75 : x
  2. Step 2: Convert to fraction form
    163,172,256.75/253,030,155.75 = 253,030,155.75/x
  3. Step 3: Cross multiply
    163,172,256.75x = 253,030,155.75 × 253,030,155.75
  4. Step 4: Simplify right side
    163,172,256.75x = 64,024,259,718,869,256
  5. Step 5: Solve for x
    x = 64,024,259,718,869,256/163,172,256.75
  6. Step 6: Final answer
    x = 392,372,214.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.