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Finding the Third Proportional to 143,671,710 and 315,155,500.50

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Solution

The third proportional to 143,671,710 and 315,155,500.50 is: 691,319,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,671,710 : 315,155,500.50 = 315,155,500.50 : x
  2. Step 2: Convert to fraction form
    143,671,710/315,155,500.50 = 315,155,500.50/x
  3. Step 3: Cross multiply
    143,671,710x = 315,155,500.50 × 315,155,500.50
  4. Step 4: Simplify right side
    143,671,710x = 99,322,989,495,405,504
  5. Step 5: Solve for x
    x = 99,322,989,495,405,504/143,671,710
  6. Step 6: Final answer
    x = 691,319,046.01

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Why These Related Problems?

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