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Finding the Third Proportional to 167,030,440 and 255,537,760

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Solution

The third proportional to 167,030,440 and 255,537,760 is: 390,943,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,030,440 : 255,537,760 = 255,537,760 : x
  2. Step 2: Convert to fraction form
    167,030,440/255,537,760 = 255,537,760/x
  3. Step 3: Cross multiply
    167,030,440x = 255,537,760 × 255,537,760
  4. Step 4: Simplify right side
    167,030,440x = 65,299,546,785,817,600
  5. Step 5: Solve for x
    x = 65,299,546,785,817,600/167,030,440
  6. Step 6: Final answer
    x = 390,943,990.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.