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Finding the Third Proportional to 45,355,290 and 70,037,990.25

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Solution

The third proportional to 45,355,290 and 70,037,990.25 is: 108,153,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355,290 : 70,037,990.25 = 70,037,990.25 : x
  2. Step 2: Convert to fraction form
    45,355,290/70,037,990.25 = 70,037,990.25/x
  3. Step 3: Cross multiply
    45,355,290x = 70,037,990.25 × 70,037,990.25
  4. Step 4: Simplify right side
    45,355,290x = 4,905,320,078,259,095
  5. Step 5: Solve for x
    x = 4,905,320,078,259,095/45,355,290
  6. Step 6: Final answer
    x = 108,153,207.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.