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Finding the Third Proportional to 306,263,406 and 470,748,807

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Solution

The third proportional to 306,263,406 and 470,748,807 is: 723,574,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,263,406 : 470,748,807 = 470,748,807 : x
  2. Step 2: Convert to fraction form
    306,263,406/470,748,807 = 470,748,807/x
  3. Step 3: Cross multiply
    306,263,406x = 470,748,807 × 470,748,807
  4. Step 4: Simplify right side
    306,263,406x = 221,604,439,291,923,264
  5. Step 5: Solve for x
    x = 221,604,439,291,923,264/306,263,406
  6. Step 6: Final answer
    x = 723,574,658.12

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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.