Finding the Third Proportional to 279,674,440 and 423,395,880
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Solution
The third proportional to 279,674,440 and 423,395,880 is: 640,974,095.46
Step by Step Solution
- Step 1: Write the proportion equation
279,674,440 : 423,395,880 = 423,395,880 : x - Step 2: Convert to fraction form
279,674,440/423,395,880 = 423,395,880/x - Step 3: Cross multiply
279,674,440x = 423,395,880 × 423,395,880 - Step 4: Simplify right side
279,674,440x = 179,264,071,200,974,400 - Step 5: Solve for x
x = 179,264,071,200,974,400/279,674,440 - Step 6: Final answer
x = 640,974,095.46
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.