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Finding the Third Proportional to 35,985,621.38 and 78,360,522.75

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Solution

The third proportional to 35,985,621.38 and 78,360,522.75 is: 170,634,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985,621.38 : 78,360,522.75 = 78,360,522.75 : x
  2. Step 2: Convert to fraction form
    35,985,621.38/78,360,522.75 = 78,360,522.75/x
  3. Step 3: Cross multiply
    35,985,621.38x = 78,360,522.75 × 78,360,522.75
  4. Step 4: Simplify right side
    35,985,621.38x = 6,140,371,525,653,268
  5. Step 5: Solve for x
    x = 6,140,371,525,653,268/35,985,621.38
  6. Step 6: Final answer
    x = 170,634,028.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.