Home / 513,106,395.61-1,120,265,390.67

Finding the Third Proportional to 513,106,395.61 and 1,120,265,390.67

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Solution

The third proportional to 513,106,395.61 and 1,120,265,390.67 is: 2,445,875,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,106,395.61 : 1,120,265,390.67 = 1,120,265,390.67 : x
  2. Step 2: Convert to fraction form
    513,106,395.61/1,120,265,390.67 = 1,120,265,390.67/x
  3. Step 3: Cross multiply
    513,106,395.61x = 1,120,265,390.67 × 1,120,265,390.67
  4. Step 4: Simplify right side
    513,106,395.61x = 1,254,994,545,537,264,896
  5. Step 5: Solve for x
    x = 1,254,994,545,537,264,896/513,106,395.61
  6. Step 6: Final answer
    x = 2,445,875,857.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.