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Finding the Third Proportional to 39,897,165.50 and 86,159,955.50

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Solution

The third proportional to 39,897,165.50 and 86,159,955.50 is: 186,066,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897,165.50 : 86,159,955.50 = 86,159,955.50 : x
  2. Step 2: Convert to fraction form
    39,897,165.50/86,159,955.50 = 86,159,955.50/x
  3. Step 3: Cross multiply
    39,897,165.50x = 86,159,955.50 × 86,159,955.50
  4. Step 4: Simplify right side
    39,897,165.50x = 7,423,537,931,761,980
  5. Step 5: Solve for x
    x = 7,423,537,931,761,980/39,897,165.50
  6. Step 6: Final answer
    x = 186,066,800.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.