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Finding the Third Proportional to 28,168,580 and 61,717,178

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Solution

The third proportional to 28,168,580 and 61,717,178 is: 135,221,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168,580 : 61,717,178 = 61,717,178 : x
  2. Step 2: Convert to fraction form
    28,168,580/61,717,178 = 61,717,178/x
  3. Step 3: Cross multiply
    28,168,580x = 61,717,178 × 61,717,178
  4. Step 4: Simplify right side
    28,168,580x = 3,809,010,060,283,684
  5. Step 5: Solve for x
    x = 3,809,010,060,283,684/28,168,580
  6. Step 6: Final answer
    x = 135,221,940.91

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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.