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Finding the Third Proportional to 425,626,528.50 and 641,484,157.50

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Solution

The third proportional to 425,626,528.50 and 641,484,157.50 is: 966,814,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,626,528.50 : 641,484,157.50 = 641,484,157.50 : x
  2. Step 2: Convert to fraction form
    425,626,528.50/641,484,157.50 = 641,484,157.50/x
  3. Step 3: Cross multiply
    425,626,528.50x = 641,484,157.50 × 641,484,157.50
  4. Step 4: Simplify right side
    425,626,528.50x = 411,501,924,323,484,800
  5. Step 5: Solve for x
    x = 411,501,924,323,484,800/425,626,528.50
  6. Step 6: Final answer
    x = 966,814,558.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.