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Finding the Third Proportional to 74,351,421.50 and 161,055,018.50

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Solution

The third proportional to 74,351,421.50 and 161,055,018.50 is: 348,866,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351,421.50 : 161,055,018.50 = 161,055,018.50 : x
  2. Step 2: Convert to fraction form
    74,351,421.50/161,055,018.50 = 161,055,018.50/x
  3. Step 3: Cross multiply
    74,351,421.50x = 161,055,018.50 × 161,055,018.50
  4. Step 4: Simplify right side
    74,351,421.50x = 25,938,718,984,035,344
  5. Step 5: Solve for x
    x = 25,938,718,984,035,344/74,351,421.50
  6. Step 6: Final answer
    x = 348,866,483.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.