Finding the Third Proportional to 390,071,574.75 and 534,882,903.75
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Solution
The third proportional to 390,071,574.75 and 534,882,903.75 is: 733,454,420.28
Step by Step Solution
- Step 1: Write the proportion equation
390,071,574.75 : 534,882,903.75 = 534,882,903.75 : x - Step 2: Convert to fraction form
390,071,574.75/534,882,903.75 = 534,882,903.75/x - Step 3: Cross multiply
390,071,574.75x = 534,882,903.75 × 534,882,903.75 - Step 4: Simplify right side
390,071,574.75x = 286,099,720,724,031,776 - Step 5: Solve for x
x = 286,099,720,724,031,776/390,071,574.75 - Step 6: Final answer
x = 733,454,420.28
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.