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Finding the Third Proportional to 74,566,990 and 162,041,168

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Solution

The third proportional to 74,566,990 and 162,041,168 is: 352,130,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,566,990 : 162,041,168 = 162,041,168 : x
  2. Step 2: Convert to fraction form
    74,566,990/162,041,168 = 162,041,168/x
  3. Step 3: Cross multiply
    74,566,990x = 162,041,168 × 162,041,168
  4. Step 4: Simplify right side
    74,566,990x = 26,257,340,126,804,224
  5. Step 5: Solve for x
    x = 26,257,340,126,804,224/74,566,990
  6. Step 6: Final answer
    x = 352,130,884.28

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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.