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Finding the Third Proportional to 528,960,948.75 and 1,235,212,831.13

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Solution

The third proportional to 528,960,948.75 and 1,235,212,831.13 is: 2,884,429,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,960,948.75 : 1,235,212,831.13 = 1,235,212,831.13 : x
  2. Step 2: Convert to fraction form
    528,960,948.75/1,235,212,831.13 = 1,235,212,831.13/x
  3. Step 3: Cross multiply
    528,960,948.75x = 1,235,212,831.13 × 1,235,212,831.13
  4. Step 4: Simplify right side
    528,960,948.75x = 1,525,750,738,175,837,696
  5. Step 5: Solve for x
    x = 1,525,750,738,175,837,696/528,960,948.75
  6. Step 6: Final answer
    x = 2,884,429,827.54

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.