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Finding the Third Proportional to 74,507,728 and 162,866,460

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Solution

The third proportional to 74,507,728 and 162,866,460 is: 356,009,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507,728 : 162,866,460 = 162,866,460 : x
  2. Step 2: Convert to fraction form
    74,507,728/162,866,460 = 162,866,460/x
  3. Step 3: Cross multiply
    74,507,728x = 162,866,460 × 162,866,460
  4. Step 4: Simplify right side
    74,507,728x = 26,525,483,792,931,600
  5. Step 5: Solve for x
    x = 26,525,483,792,931,600/74,507,728
  6. Step 6: Final answer
    x = 356,009,832.87

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.