Home / 288,280,157.75-430,531,159.69

Finding the Third Proportional to 288,280,157.75 and 430,531,159.69

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Solution

The third proportional to 288,280,157.75 and 430,531,159.69 is: 642,975,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,280,157.75 : 430,531,159.69 = 430,531,159.69 : x
  2. Step 2: Convert to fraction form
    288,280,157.75/430,531,159.69 = 430,531,159.69/x
  3. Step 3: Cross multiply
    288,280,157.75x = 430,531,159.69 × 430,531,159.69
  4. Step 4: Simplify right side
    288,280,157.75x = 185,357,079,461,863,616
  5. Step 5: Solve for x
    x = 185,357,079,461,863,616/288,280,157.75
  6. Step 6: Final answer
    x = 642,975,503.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.